import numpy as np

a=np.array([1,3,5])
print(a+2)
a1=np.array([1,2])
b1=np.array([[3,4],
            [5,6]])
print(a1+b1)

a2=np.array([[1,2]])
b2=np.array([[3],
             [4]])
print(a2+b2)
